Further testing determined the lesions to be "extremely common" cancers, superficial basal cell carcinoma and squamous cell carcinoma, according to a letter from Diamond.

The governor said this cancer is "completely unrelated" to the advanced non-Hodgkin's lymphoma he battled and defeated in 2015. He attributes the common skin ailment to the six years he spent as a lifeguard in Florida. "It's basically sun damage," he said.

These skin cancers "are most often induced by a history of sun exposure," Diamond wrote in the letter.

Hogan is not expected to miss a day of work following the "Mohs surgery," though he will likely return to work with stitches on Monday.